Microbiology

Microbiology Study Guide 48. Penicillin is a good treatment for syphilis. a. True b. False 49. Which of the following contribute the most bacterial biomass to soil? a. Coliforms b. Chemoautotrophs c. Photoheterotrophs d. Actinomycetes 50. Rhizobium and certain cyanobacteria are present during which process? a. Denitrification b. Nitrogen fixation c. Nitrification d. Ammonification 51. All of the following are effects of fever except __________________. a. An increase in interferon activity b. An increase in transferrin production c. An increase in pathogens killed d. An increase of T-cell production 52. Gastroenteritis acquired from roast beef is an example of __________________. a. Fomite b. Vector c. Direct contact d. Vehicle transmission 53. __________________ is not effective against non-enveloped viruses. a. Ozone b. Chlorine c. Alcohol d. Ethylene oxide 54. Hay fever is an example of type II hypersensitivity. a. True b. False

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